Updated Electrum screenshot.
Merge pull request #45 from Goonie/master

Add Bitcoin Wallet for Android to the clients page.
Fixed formatting to make Bitcoin Wallet align properly.
Put Electrum on the first line as Armory's resource usage is insane, it is a wrapper around Bitcoin-Qt, and it is targetted towards power users. Electrum also has a good package distribution system now, and is getting better.
Separate section for proprietary clients.
Added blockchain.info
Added Website Frontends description.
Codified proprietary and website-frontends sections.
Added missing blockchain.info.png
Corrections to blockchain.info description.
Moved Bitcoin-Wallet (for Android) to opensource section.
Reverting controversial changes made without discussion.

This reverts commits
c4d3e85d3ea5c73cc0d1a2a11a0509a21e992cf1
03b4789501c696e4cdf11dbdd7d402681544e7b6
5cc06f9f89ed089dbfa112589932ffd8c0079289
7aa0c9267127d6d178b7c2f9e2aafd748842f598
737b50bedd177e5f4d97fb157c9e21c7667fe7ad
0f7064fb8721cbacdb60f79acb0f57fbe93a61c9
296fbda40a325fca7b8cec4787a12db71f1f0fe7
5b07bbc72d2a52da6683e8878c397f0a2195bc8b
Randomize the ordering of clients displayed.
Revert "Randomize the ordering of clients displayed."

This reverts commit 6850fc8c83494d6ec415ea9d36fb98366373cc03.
Hackathon is over, so comment-out events section again.
Fix typo mistake in date for _posts/event/ file (was June not July when announced).
Delete file with wrong filename.
London Conference.
Added part about CFP
Tidy up